/* ============================================
   RA Detailing — Design System
   Dark / blue / chrome theme matching the RA Detailing logo
   ============================================ */

:root {
  /* Colors */
  --color-bg: #0a0c0f;
  --color-bg-alt: #12151b;
  --color-surface: #1a1e26;
  --color-surface-2: #212632;
  --color-border: #2a3040;

  --color-text: #f2f4f7;
  --color-text-muted: #a7afbd;
  --color-text-faint: #6b7383;

  --color-accent: #2196f3;
  --color-accent-light: #5eb2ff;
  --color-accent-dark: #0d6fc4;

  --color-silver: #c9ced6;
  --color-silver-dark: #8b929e;

  --color-white: #ffffff;
  --color-success: #34c77b;
  --color-warn: #f2b705;

  --gradient-accent: linear-gradient(135deg, var(--color-accent-light), var(--color-accent-dark));
  --gradient-silver: linear-gradient(135deg, #ffffff, #9aa2ad);

  /* Type */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4.5rem;
  --space-9: 6rem;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 0 1px rgba(33, 150, 243, 0.25), 0 8px 30px rgba(33, 150, 243, 0.12);

  --max-width: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p, figure { margin: 0; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 1rem; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.5rem); }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-3);
}
.lede {
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 60ch;
}
.section-head {
  text-align: center;
  margin: 0 auto var(--space-7);
  max-width: 62ch;
}
.section-head.left { text-align: left; margin-left: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.98rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-accent);
  color: #06141f;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 34px rgba(33,150,243,0.32); }
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-silver-dark); background: rgba(255,255,255,0.04); }
.btn-block { width: 100%; }
.btn-lg { padding: 1.05rem 2rem; font-size: 1.05rem; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #000;
  border-bottom: 1px solid var(--color-border);
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-5);
  max-width: var(--max-width);
  margin: 0 auto;
  gap: var(--space-4);
}
.brand { display: flex; align-items: center; gap: var(--space-3); }
.brand img { height: 72px; width: auto; }
.brand-fallback {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-fallback span { color: var(--color-accent-light); }

.header-contact {
  display: none;
}
.header-contact a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 600;
}
.header-contact a:hover { color: var(--color-accent-light); }

.main-nav {
  position: fixed;
  inset: 0 0 0 auto;
  width: min(320px, 84vw);
  background: var(--color-bg-alt);
  border-left: 1px solid var(--color-border);
  padding: var(--space-8) var(--space-5) var(--space-5);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  overflow-y: auto;
}
.main-nav.is-open { transform: translateX(0); }
.main-nav ul { display: flex; flex-direction: column; gap: var(--space-1); }
.main-nav a {
  display: block;
  padding: var(--space-3) var(--space-2);
  font-weight: 600;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
}
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-white); background: var(--color-surface); }
.main-nav .btn { margin-top: var(--space-5); }
.main-nav a.btn-primary { color: #000; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}
.nav-toggle svg { width: 20px; height: 20px; }

.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 90;
}
.nav-backdrop.is-open { opacity: 1; pointer-events: auto; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: var(--space-9) 0 var(--space-8);
  overflow: hidden;
  background:
    radial-gradient(60% 60% at 80% 0%, rgba(33,150,243,0.16), transparent 60%),
    radial-gradient(50% 50% at 10% 10%, rgba(33,150,243,0.08), transparent 60%),
    var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.hero-grid {
  display: grid;
  gap: var(--space-7);
  align-items: center;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ---------- Trust badge / pill ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}
.badge svg { width: 16px; height: 16px; color: var(--color-accent-light); flex-shrink: 0; }

.guarantee-callout {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  background: linear-gradient(135deg, rgba(33,150,243,0.12), rgba(33,150,243,0.02));
  border: 1px solid rgba(33,150,243,0.35);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.guarantee-callout .icon-wrap {
  flex-shrink: 0;
  width: 56px; height: 56px;
  border-radius: var(--radius-md);
  background: var(--gradient-accent);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow);
}
.guarantee-callout .icon-wrap svg { width: 28px; height: 28px; color: #06141f; }
.guarantee-callout h3 { margin-bottom: var(--space-2); }
.guarantee-callout p { color: var(--color-text-muted); margin: 0; }
.pill-new {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--color-accent);
  color: #06141f;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  margin-left: var(--space-2);
  vertical-align: middle;
}

/* ---------- Sections ---------- */
section { padding: var(--space-8) 0; }
.section-alt { background: var(--color-bg-alt); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: var(--space-5); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
}

.trust-grid { grid-template-columns: repeat(4, 1fr); text-align: center; }
.trust-item { padding: var(--space-5); }
.trust-item .icon-wrap {
  width: 48px; height: 48px; margin: 0 auto var(--space-3);
  border-radius: 50%;
  background: rgba(33,150,243,0.12);
  display: flex; align-items: center; justify-content: center;
}
.trust-item svg { width: 24px; height: 24px; color: var(--color-accent-light); }
.trust-item h4 { font-size: 1rem; margin-bottom: var(--space-1); }
.trust-item p { font-size: 0.88rem; color: var(--color-text-muted); margin: 0; }

/* ---------- Pricing ---------- */
.pricing-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.price-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
}
.price-card.featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  background: linear-gradient(180deg, rgba(33,150,243,0.08), var(--color-surface) 30%);
}
.price-card .ribbon {
  position: absolute; top: -12px; left: var(--space-6);
  background: var(--gradient-accent);
  color: #06141f;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
}
.price-card h3 { margin-bottom: var(--space-2); }
.price-card .tagline { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: var(--space-5); }
.price-table { border-collapse: collapse; margin-bottom: var(--space-5); }
.price-table th, .price-table td {
  text-align: left;
  padding: var(--space-2) 0;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-border);
}
.price-table th { color: var(--color-text-faint); font-weight: 600; padding-right: var(--space-7); white-space: nowrap; }
.price-table td.amount { text-align: right; font-weight: 800; color: var(--color-white); font-variant-numeric: tabular-nums; white-space: nowrap; }
.price-table tr:last-child th, .price-table tr:last-child td { border-bottom: none; }
.price-card ul.includes { margin-bottom: var(--space-6); display: flex; flex-direction: column; gap: var(--space-2); }
.price-card ul.includes li { display: flex; gap: var(--space-2); font-size: 0.92rem; color: var(--color-text-muted); }
.price-card ul.includes svg { width: 16px; height: 16px; color: var(--color-success); flex-shrink: 0; margin-top: 3px; }
.price-card .btn { margin-top: auto; }

.addons-note {
  margin-top: var(--space-6);
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.addons-note strong { color: var(--color-text); }

.full-pricing-table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
table.full-pricing { width: 100%; border-collapse: collapse; min-width: 560px; table-layout: fixed; }
table.full-pricing th, table.full-pricing td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
table.full-pricing th:first-child, table.full-pricing td:first-child { width: 34%; }
table.full-pricing th.amount, table.full-pricing td.amount { width: 22%; }
table.full-pricing thead th { background: var(--color-surface-2); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-faint); }
table.full-pricing tbody tr:last-child td { border-bottom: none; }
table.full-pricing tbody tr:hover { background: rgba(255,255,255,0.02); }
table.full-pricing td.amount, table.full-pricing th.amount { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.stars { color: var(--color-warn); letter-spacing: 2px; font-size: 1rem; }
.testimonial-card blockquote { margin: 0; font-size: 1.02rem; color: var(--color-text); }
.testimonial-card cite { font-style: normal; font-size: 0.88rem; color: var(--color-text-muted); font-weight: 600; }

.reviews-cta {
  margin-top: var(--space-7);
  text-align: center;
  padding: var(--space-6);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
}
.reviews-cta p { color: var(--color-text-muted); margin-bottom: var(--space-4); }

/* ---------- Gallery ---------- */
.gallery-grid { grid-template-columns: repeat(4, 1fr); }
.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 5;
  background: var(--color-surface);
  cursor: pointer;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item .caption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: var(--space-3);
  font-size: 0.82rem;
  font-weight: 600;
  background: linear-gradient(0deg, rgba(0,0,0,0.75), transparent);
  color: var(--color-white);
}
.gallery-placeholder {
  display: flex; align-items: center; justify-content: center;
  height: 100%; width: 100%;
  color: var(--color-text-faint);
  font-size: 0.8rem;
  text-align: center;
  padding: var(--space-3);
}

.lightbox {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5,6,8,0.92);
  display: none;
  align-items: center; justify-content: center;
  padding: var(--space-6);
}
.lightbox.is-open { display: flex; }
.lightbox img { max-height: 86vh; max-width: 92vw; border-radius: var(--radius-md); box-shadow: var(--shadow-md); }
.lightbox-close {
  position: absolute; top: var(--space-5); right: var(--space-5);
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
}

/* ---------- Service area chips ---------- */
.area-grid { grid-template-columns: repeat(4, 1fr); }
.area-chip {
  display: block;
  text-align: center;
  padding: var(--space-5) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-weight: 700;
}
.area-chip:hover { border-color: var(--color-accent); color: var(--color-accent-light); }
.area-chip small { display: block; font-weight: 500; color: var(--color-text-faint); margin-top: var(--space-1); }

/* ---------- Forms ---------- */
.form-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr 1fr; }
.form-field { display: flex; flex-direction: column; gap: var(--space-2); }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.88rem; font-weight: 600; color: var(--color-text-muted); }
.form-field input, .form-field select, .form-field textarea {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.9rem;
  color: var(--color-text);
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(33,150,243,0.18);
}
.form-note { font-size: 0.82rem; color: var(--color-text-faint); margin-top: var(--space-2); }
.form-status { margin-top: var(--space-4); font-size: 0.92rem; font-weight: 600; display: none; }
.form-status.is-visible { display: block; }
.form-status.success { color: var(--color-success); }
.form-status.error { color: #ff6b6b; }

/* ---------- About ---------- */
.about-grid { grid-template-columns: 1fr 1fr; align-items: center; gap: var(--space-8); }
.value-list { display: flex; flex-direction: column; gap: var(--space-4); margin-top: var(--space-5); }
.value-list li { display: flex; gap: var(--space-3); }
.value-list .icon-wrap {
  flex-shrink: 0; width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(33,150,243,0.12);
  display: flex; align-items: center; justify-content: center;
}
.value-list svg { width: 20px; height: 20px; color: var(--color-accent-light); }

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 var(--space-6);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) 0;
  font-weight: 700;
  font-size: 1.02rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(33,150,243,0.12);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.2s ease;
}
.faq-item summary .faq-icon svg { width: 16px; height: 16px; color: var(--color-accent-light); }
.faq-item[open] summary .faq-icon { transform: rotate(45deg); }
.faq-item p {
  color: var(--color-text-muted);
  padding: 0 0 var(--space-5);
  margin: 0;
}

/* ---------- Final CTA band ---------- */
.cta-band {
  background: linear-gradient(135deg, rgba(33,150,243,0.16), rgba(10,12,15,0.4));
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: center;
  padding: var(--space-8) 0;
}
.cta-band .cta-row { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-6);
}
.footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1fr; margin-bottom: var(--space-7); }
.footer-brand img { height: 60px; margin-bottom: var(--space-4); }
.footer-brand p { color: var(--color-text-muted); font-size: 0.9rem; max-width: 32ch; }
.footer-col h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: var(--color-text-muted); font-size: 0.92rem; }
.footer-col a:hover { color: var(--color-accent-light); }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  display: flex; align-items: center; justify-content: center;
}
.footer-social svg { width: 18px; height: 18px; }
.footer-social a:hover { border-color: var(--color-accent); color: var(--color-accent-light); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-5);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: var(--space-3);
  font-size: 0.82rem;
  color: var(--color-text-faint);
}

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: var(--space-8) 0 var(--space-7);
  background: radial-gradient(60% 60% at 85% 0%, rgba(33,150,243,0.14), transparent 60%), var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}
.breadcrumb { font-size: 0.85rem; color: var(--color-text-faint); margin-bottom: var(--space-4); }
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent-light); }

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8); align-items: start; }

/* ============================================
   Responsive
   ============================================ */
@media (min-width: 860px) {
  .header-contact { display: flex; align-items: center; gap: var(--space-5); }
  .nav-toggle { display: none; }
  .main-nav {
    position: static;
    width: auto;
    background: none;
    border: none;
    padding: 0;
    transform: none;
    overflow: visible;
  }
  .main-nav ul { flex-direction: row; align-items: center; gap: var(--space-1); }
  .main-nav a { padding: var(--space-2) var(--space-3); font-size: 0.94rem; }
  .main-nav .btn { margin-top: 0; margin-left: var(--space-3); }
  .nav-backdrop { display: none; }
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
}

@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-6); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .area-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 860px) {
  .pricing-grid, .grid-3 { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .two-col { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  section { padding: var(--space-7) 0; }
}

@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
  .area-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantee-callout { flex-direction: column; }
  .cta-row { flex-direction: column; align-items: stretch; }
  .cta-row .btn { width: 100%; }
}